Download PDF by Jean Effront: biochemical catalysts in life and industry

February 2, 2018 | Chemistry | By admin | 0 Comments

By Jean Effront

ISBN-10: 1117093131

ISBN-13: 9781117093130

Initially released in 1917. This quantity from the Cornell college Library's print collections used to be scanned on an APT BookScan and switched over to JPG 2000 structure through Kirtas applied sciences. All titles scanned conceal to hide and pages could contain marks notations and different marginalia found in the unique quantity.

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In the case of salts, it is the strong ion concentration in the liquid which is of influence, the salt plasma coagulating upon dilution. The action of the oxalates results from the fact that oxalates remove the calciumions, which is also an indispensable element for the curdling of blood. It is the mechanism of this action that we shall study more closely in the following chapter. § VI. ACTION OF CALCIUM SALTS. Hammarsten, as well as Green, has determined that in coagulation of blood, lime salts play a very important part.

Among the purely physical processes are: No. 2, which has recourse to cold; No. 1, based on the isolation of the jugular, and No. 4, where paraffin is used. The efficacy of cold is easily explained, biological manifestations always requiring a certain temperature in order to become evident. As to the other two processes, if we examine them carefully, we see that botk arise from the same principle, namely, that of contact which plays a very important part in the phenomenon of coagulation. Blood remains liquid in the organism because it does not ORIGIN OF COAGULATING ENZYME 49 contain a n y coagulating enzyme.

In addition to these two theories with regard to coagulation, we must also speak of another possible origin for fibrin. I t is known that there exists in the blood, besides the red and white corpuscles, a third organized component, designated under the various names: free granulations, plates of Hayem, or globulin. These elements are much more unstable outside the bloodvessels than the other cells of the blood, and the idea has occurred that perhaps fibrin would result from their decomposition.

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biochemical catalysts in life and industry by Jean Effront

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